<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }

        body {
            width: 100%;
            background: url(./img/bg.jpeg) repeat-x;
        }

        main {
            margin: 100px auto;
            width: 400px;
            height: 400px;
            background-color: rgb(239, 239, 239);
            border-radius: 15px;
        }

        main header {
            height: 80px;
            width: 100%;
            background-color: rgb(86, 192, 234);
            border-radius: 10px 10px 0 0;
            color: white;
            font-size: 25px;
            text-align: center;
            line-height: 80px;
        }

        main .center {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: left;
        }

        main .center input {
            margin-top: 40px;
            width: 80%;
            height: 40px;
            border-radius: 5px;
            padding-left: 20px;
            border: 1px solid gray;
            background-color: transparent;
            outline: none;
        }

        main .center .lianjie {
            width: 80%;
            height: 40px;
            margin-top: 30px;
            text-align: left;
            display: flex;
            justify-content: space-between;
        }

        main .center .lianjie a {
            /* margin-bottom: 30px; */
            text-decoration: none;
        }

        main .center button {
            width: 90px;
            height: 40px;
            color: white;
            background-color: rgb(106, 218, 112);
            border-radius: 10px;
            border: 1px solid rgb(218, 218, 218);

        }
    </style>
</head>

<body>
    <main>
        <header>欢迎登陆后台管理系统</header>
        <div class="center">
            <input type="text" placeholder="输入用户名">
            <input type="password" placeholder="输入密码">
            <div class="lianjie">
                <a href="./register.html">注册</a>
                <a href="./index.html">忘记密码</a>
            </div>
            <button>登录</button>
        </div>
    </main>
</body>

</html>